84 BULLETIN 193, UNITED STATES NATIONAL MUSEUM 



Proc. 

 No. 



1048. On the proper name of the gunnels or butterfishes. By Theodore Gill. Pp 



147-151. Apr. 23, 1896. 



1049. The differential characters of the syngnathid and hippocampid fishes. By 



Theodore Gill. Pp. 153-159. Apr. 23, 1S96. 



1050. Notes on the synonymy of the Torpedinidae or Narcobatidae. By Theodore 



Gill. Pp. 161-165. Apr. 23, 1S96. 



1051. The families of synentognathous fishes and their nomenclature. By Theodore 



Gill. Pp. 167-178. Apr. 23, 1896. 



1052. On the application of the name Teuthis to a genus of fishes. By Theodore 



Gill. Pp. 179-189. Apr. 23, 1896. 



1053. Notes on the nomenclature of Scymnus or Scymnorhinus, a genus of sharkt. 



By Theodore Gill. Pp. 191-193. May 27, 1S96. 



1054. Notes on the genus Cephaleutherus of Rafinesque, and other rays with aberrant 



pectoral fins {Propierygia and liieroptera). By Theodore Gill. Pp. 195- 

 198. Apr. 23, 1896. 



1055. Notes on characinoid fishes with ctenoid scales, with a description of a new 



Psectrogaster. By Theodore Gill. Pp. 199-203. May 27, 1896. 



1056. The differential characters of characinoid and erythrinoid fishes. By Theodore 



Gill. Pp. 205-209. Apr. 23, 1896. 



1057. Notes on Orectolobus or Crossor/iinus, a genus of sharks. By Theodore Gill. 



Pp. 211-212. Apr. 16, 1896. 



1058. Note on the fishes of the genus Characinus. By Theodore Gill. Pp. 213-215. 



Apr. 16, 1896. 



1059. The nomenclature of Rachicentron or Elacate, a genus of acanthopterygian 



fishes. By Theodore Gill. Pp. 217-219. Apr. 23, 1896. 



1060. Note on the nomenclature of the poecilioid fishes. By Theodore Gill. Pp. 



221-224. Apr. 23, 1896. 



1061. The nomenclature of the fishes of the characinoid genus Tetragonopterus. By 



Theodore Gill. Pp. 225-227. Apr, 23, 1896. 



1062. List of the Lepidoptera collected in eastern Africa by Dr. W. L. Abbott, with 



descriptions of some apparently new species. By W. J. Holland. Pp. 229- 

 258. May 27, 1896. 



1063. List of Lepidoptera collected in Somali-land, East Africa, by Mr. William 



Astor Chanler and Lieutenant Von Hoehnel. By W. J. Holland. Pp. 259- 

 264. May 27, 1896. 



1064. List of the Lepidoptera from Aldabra, Seychelles, and other East African 



islands, collected by Dr. W. L. Abbott. By W. J. Holland. Pp. 265-273. 

 May 27, 1896. 



1065. List of the Lepidoptera collected in Kashmir by Dr. W. L. Abbott. Bv W. J. 



Holland. Pp. 275-279, 2 pis. May 27, 1896. 



1066. Notes on asbestos and asbesiiforra minerals. By George P. Merrill. Pp. 281- 



292, 5 figs. Apr. 23, 1896. 



1067. Preliminary description of some new birds from the Galapagos Archipelago. 



By Robert Ridgway. Pp. 293-294. 1896 (exact date of publication unknown). 



1068. The classification and geographical distribution of the pearly fresh-water 



mussels. By Charles T. Simpson. Pp. 295-343, 1 pi. May 19, 1896. 



1069. Note on the occurrence of an armadillo of the genus Xenurtis in Honduras. By 



Frederick W. True. Pp. 345-347, 2 pis, July 8, 1896. 



1070. The genus Callinecles. By Mary J. Rathbun. Pp. 349-375, 17 pis. July 8, 1896. 



1071. Descriptions of two new species of fresh-water crabs from Costa Rica. By 



Mary J. Rathbun. Pp. 377-379, 3 figs., 2 pis. July 8, 1896. 



1072. Description of four new Triassic Unios from the Staked Plains of Texas. 



By Charles Torrey Simpson. Pp. 381-385, 5 figs. May 19, 1896. 



1073. Revision of the North American Empidae — a family of two-winged insects. 



By D, W. Coquillett. Pp 387-440. May 25, 1896. 



1074. Description of a new subspecies of the genus Peucedramus, Coues. By Robert 



Ridgway. P. 441. May 21, 1896. 



